Patent US3404970A successfully refreshed from Google Patents.
US3404970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel containing an octane appreciator
Assignee: Texaco Inc
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Filing: 1965-12-06
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Granted: 1968-10-08
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 George W Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:47
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/22; C10L1/232; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
57 words
A MOTOR FUEL COMPOSITION COMPRISING A MIXTURE OF HYDROCARBONS IN THE GASOLINE BOILING RANGE CONTAINING AN EFFECTIVE ANTI-KNOCK AMOUNT OF A TETRALKYL LEAD FLUID, 0.05 TO 5 VOLUME PERCENT OF HYDROXY-SUBSTITUTED PYRIDINE SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXPYRIDINE, 3-HYDROXYPYRIDINE AND 4-HYDROXYPYRIDINE AND A SOLUBILITY PROMOTER EFFECTIVE TO PROMOTE THE SOLUBILITY OF SAID HYDROXYPYRIDINE IN SAID COMPOSITION.
Claim 2
Dependent Claim
57 words
A MOTOR FUEL COMPOSITION COMPRISING A MIXTURE OF HYDROCARBONS IN THE GASOLINE BOILING RANGE CONTAINING AN EFFECTIVE ANTI-KNOCK AMOUNT OF A TETRALKYL LEAD FLUID, 0.05 TO 5 VOLUME PERCENT OF HYDROXY-SUBSTITUTED PYRIDINE SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXPYRIDINE, 3-HYDROXYPYRIDINE AND 4-HYDROXYPYRIDINE AND A SOLUBILITY PROMOTER EFFECTIVE TO PROMOTE THE SOLUBILITY OF SAID HYDROXYPYRIDINE IN SAID COMPOSITION.
Claim 3
Dependent Claim
18 words
A COMPOSITION ACCORDING TO CLAIM 1 IN WHICH SAID SOLUBILITY PROMOTER IS AN ALCOHOL REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |